PLATO, an Exoplanet mission devoted to PLAnetary Transit and Oscillations of stars, is one of five candidate missions for the M3 launch opportunity. A Preliminary Requirements Review (PRR) of all candidate missions has been performed to review their status in support of the M3 selection. This document reports the results of the technical and programmatic review for the PLATO mission candidate.

The PLATO Mission Assessment Study is the industrial part of the PLATO assessment phase. Two parallel 1-year assessment studies have been concluded. This report is the executive summary for the study led by Thales Alenia Space Italia (responsible of the system definition and the platform design) with Thales Alenia Space France (responsible of the payload).

The PLATO Mission Assessment Study is the industrial part of the PLATO assessment phase. Two parallel 1-year assessment studies have been concluded. This report is the executive summary for the study performed by EADS-Astrium